One potential use for a Director is to control the client versions connecting to the Lync Server infrastructure. Because the Director is an initial sign-in point for any client, perform a filter check at the sign-in point. To manage which types of clients can connect to a Director, perform the following steps:
1. Open the Lync Server Control Panel.
2. Click Clients.
3. Ensure Client Version Policy is highlighted, click New, and select Pool policy.
If a policy is edited at the Pool level, such as in the previous example, it only applies to the selected service and pool. The example only enforces the client version filter at the Director, meaning that an endpoint could sign in to a front end pool directly without a client ...